package com.ashin;

import java.util.List;

/**
 * @Author: Ashin
 * @Date: 2020/9/21
 * @Description: com.ashin
 * @Version: 1.0.0
 */
public class Parenthesis {

    public static void main(String[] args) {

    }

    private static List<String> generateParenthesis(int n) {
        if (n <= 0) {
            return null;
        }

        List<String> resultList = generateParenthesis(n - 1);
        for (String s : resultList) {

        }


        return null;
    }
}
